* {
	padding: 0;
	margin: 0;
}

.top {
	width: 100%;
	background-color: #f0f0f0;
	height: 60px;
	align-items: center;
	justify-content: center;
	text-align: center;
	line-height: 60px;
	cursor: pointer;
}

/* 导航栏 */
.nav {
	position: sticky;
	top: 0;
	margin-top: 0;
	width: 100%;
	background: linear-gradient(0.25turn, rgba(24, 23, 95, 0.8), rgba(90, 175, 225, 0.8), rgba(2, 7, 91, 0.8));
	height: 70px;
	z-index: 3;
	display: flex;
}

.rnt {
	display: flex;
}

.nav-item {
	flex: 1;
	width: 100%;
	height: 100%;
	line-height: 70px;
	text-align: center;
	font-size: 20px;
	color: #f0f0f0;
}

.nav-item a {
	color: #f0f0f0;
}

.yo {
	height: 70px;
	background-color: #5ab0e2;
	line-height: 70px;
	text-align: center;
}

/* 轮播图 */
.feng {
	/* position: relative; */
	/* height: 100%; */
	/* align-items: center; */
	display: flex;
	height: 90vh;
	*/ align-items: center;
	justify-content: center;
}

body {
	background: #eee;
	font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
	font-size: 14px;
	color: #000;
	margin: 0;
	padding: 0;
}

.swiper {
	width: 100%;
	height: 100%;
}

.swiper-slide {
	background-position: center;
	background-size: cover;
}

.swiper-slide img {
	display: block;
	width: 100%;
	height: 100%;
}

/* 第二个轮播图
	/* .swipero {
	width: 100%;
	height: 30%;
}

.swiper-slideo {
	text-align: center;
	font-size: 18px;
	background: #fff;
	display: flex;
	justify-content: center;
	align-items: center;
}

.swiper-slideo img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
} */

.middle-nav {
	.swiper-slide {
		text-align: center;
		font-size: 18px;
		background: #fff;
		width: 33.33%;
		height: 100px;
		display: flex;
		justify-content: center;
		align-items: center;
	}
}

.sw-tu {
	width: 100%;
	height: 100%;
	background-color: #efefef;
}

.video-bu {
	width: 100%;
	height: 100%;
}

.video-zi {
	text-align: center;
	margin-top: 30px;

}

.video-bu video {
	width: 100%;
	height: 100%;
}

.vd {
	margin-bottom: 30px;
}

/* 视频下方 */
.vdown {
	height: 300px;
	width: 100%;
	background: linear-gradient(0.25turn, rgba(1, 2, 31, 1.0), rgba(95, 118, 119, 1.0), rgba(0, 0, 25, 1.0));
}

.wz {
	align-items: center;
	text-align: center;
	/* margin-top: 50px; */
}

/* 下方的更多点击 */
.boimg {
	text-align: center;
	/* margin: 10px auto; */
	width: 100%;
	height: 30%;
	cursor: pointer;
}

.boimg img {
	width: 100%;
	/* height: 100%; */
}

/* 新闻部分 */
.new {
	width: 90%;
	box-sizing: border-box;
	padding: 10px;
	border: 1px solid #bac0c8;
	box-shadow: 0 3px 3px 0 black;
	text-align: center;
	margin: 10px auto;
}

.new img {
	width: 100%;
}

/* .more {
	width: 90%;
	box-sizing: border-box;
	padding: 10px;
	border: 1px solid #bac0c8;
	text-align: center;
	margin: 10px auto;
}

.more image {
	width: 100%;
} */

/* 新闻下面 */
#expandingCards {
	display: flex;
	width: 70vw;
}

label {
	flex: 0.5;
	height: 80vh;
	border-radius: 20px;
	margin: 10px;
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
	transition: all 0.5s ease-in;

}

input[type="radio"] {
	display: none;
}

input:checked+label {
	flex: 4;
}

label:nth-of-type(1) {
	background-image: url(../img/ph_main.jpg);
}

label:nth-of-type(2) {
	background-image: url(../img/ph_main2.jpg);
}

label:nth-of-type(3) {
	background-image: url(../img/ph_main.jpg);
}

label:nth-of-type(4) {
	background-image: url(../img/ph_main2.jpg);
}

label:nth-of-type(5) {
	background-image: url(../img/ph_main.jpg);
}

/* 第三个轮播图视频 */
.xia {
	.swiper {
		/* width: 100%; */
		height: 100%;
	}

	.swiper-slide {
		text-align: center;
		font-size: 18px;
		background: #fff;
		display: flex;
		justify-content: center;
		align-items: center;
	}

	.swiper-slide iframe {
		display: block;
		width: 100%;
		height: 100%;
		object-fit: cover;
	}

	.swiper-slide {
		width: 60%;
	}

	.swiper-slide:nth-child(2n) {
		width: 60%;
	}

	.swiper-slide:nth-child(3n) {
		width: 80%;
	}
}